Rs.500 was invested at 12% per annum simple interest and a certain sum ofmoney at 10% per annum simple interest. If the sum of the interests on both thesums after 4 yr is Rs.480, the latter sum of money is

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RRB GG Exam (Bhopal) 2009 click here to view all questions

Rs.500 was invested at 12% per annum simple interest and a certain sum of money at 10% per annum simple interest. If the sum of the interests on both the sums after 4 yr is Rs.480, the latter sum of money is

ARs.450

BRs.750

CRs.600

DRs.550

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Correct answer is: Rs.600 Explanation: Simple interest gained from Rs. 500 = $\frac{500 \times 12 \times 4}{100}$ = Rs. 240 Let the other principal be x. S.I. gained = Rs. (480 – 240) = Rs. 240 $\therefore \frac{x \times 10 \times 4}{100} =240$ $\therefore x = \frac{240 \times 100}{40} = 600$ prashanth ? answered Dec 23 '2019 at 10:38 All Comments

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